Immel, Constance. <br/><br/>
Better grammar in 30 minutes a day 
by Constance Immel and Florence Sacks. 
 - Trade ed. 
 - Franklin Lakes, NJ  Career Press  1995. 
 - vii, 244 p.  21cm. 
 - Better English series .
<br/><br/><label>ISBN: </label>1564142043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language ---Grammar---Problems, exercises, etc.<br/>English language--Self-instruction.